Cooling tube for plasma arc torch



FIG. 1 is a perspective view of a cooling tube for plasma arc torch showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a left end elevation view thereof; and,

FIG. 4 is a right end elevation view thereof.

The rear elevation view, the top plan view, and the bottom plan view are identical to FIG. 2. 

The ornamental design for a cooling tube for plasma arc torch, as shown and described. 